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3 years ago

Please help find the equation of the line

Mathematics

1 answer:

salantis [7]3 years ago

7 0

you need to find the slope by using 2 points (0,3) (-3,0)

m= (y2-y1)/(x2-x1) = (-3)/(-3)=1

equation of the line in point slope form

y-y1 = m (x-x1)

y-0 = 1 (x- -3)

y = x+3

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Can 100+25 sqrt(2) be simplified?

WINSTONCH [101]

Answer:

Step-by-step explanation:

100+25squared +( 2)

This is the answer 135.355339059

This can not be simplified as it is a decimal number!

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3 years ago

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marshall27 [118]

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3 years ago

Read 2 more answers

a cell phone company plans to market a new smartphone. they have already sold 612 units durning the first week of the campaign.

Vadim26 [7]

The first term is 612.

The common ratio is 1.08 and

The recursive rule is $a_{n} = a^{n-1} \times r$

Step-by-step explanation:

the question to the problem is to write the values of the first term, common ratio, and expression for the recursive rule.

The first term :

In geometric sequence, the first term is given as $a_{1}$ .

⇒ $a_{1} = 612$

Now, the geometric sequence follows as 612, 661, ........

The common ratio (r) :

It is the ratio between two consecutive numbers in the sequence.

Therefore, to determine the common ratio, you just divide the number from the number preceding it in the sequence.

⇒ r = 661 divided by 612

⇒ r = 1.08

To find the recursive rule :

A geometric series is of the form a,ar,ar2,ar3,ar4,ar5........

Here, first term $a_{1} = a$ and other terms are obtained by multiplying by r.

Observe that each term is r times the previous term.
Hence to get nth term we multiply (n−1)th term by r .

The recursive rule is of the form $a_{n} = a^{n-1} \times r$

This is called recursive formula for geometric sequence.

We know that r = 1.08 and $a_{1}$ = 612.

To find the second term $a_{2}$ , use the recursive rule $a_{n} = a^{n-1} \times r$

⇒ $a_{2} = a^{2-1}\times r$

⇒ $a_{2} = a^{1}\times r$

⇒ $a_{2} = 612\times 1.08$

⇒ $a_{2} = 661$

3 0

3 years ago

Solve for g and h please

Ivenika [448]

Step-by-step explanation:

since it's an Equilateral triangle

then:

g=15

h=96°

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2 years ago

The lateral surface area of cone A is equal to the lateral surface area of cylinder B.

Natasha2012 [34]

Answer:

TRUE

Step-by-step explanation:

Lateral area of cone is given by: πrl

where r is the radius and l is the slant height

Here r=r and l=2h

Hence, lateral area of cone A= π×r×2h

= 2πrh

Lateral area of cylinder is given by: 2πrh

where r is the radius and h is the height

Lateral area of cylinder B=2πrh

Clearly, both the lateral areas are equal

Hence, the statement that:The lateral surface area of cone A is equal to the lateral surface area of cylinder B. is:

True

4 0

2 years ago